This always happened to me when I was anorexic and when my thyroid was underactive. Maybe you could be sick? Did you take your temperature? Hopefully this info might help a bit. Also taking niacin is a good supplement to take if this is an ongoing problem.
Bella

i haven't lost alot of weight lately.I do wiegh 105 but its nothing new.I don't have a temp and thyroid has been checked before.I have been feeling wierd lately.I feel nauseated alot and have had trouble eatting.I take a few bites and just feel full so never can finish a meal.I have cronic back pain from the spinal tumors but that all.I think one of the tumors have grown or something but dont know.I refuse to go to doctor.Long story as to why.